The Rab Borealis Pull-On is a lightweight, wind resistant and packable jacket with excellent breathability. Offers great fit, comfort and protection in varied conditions.

Rab says:

Designed for long days on the rock, the Borealis Pull-On is a lightweight softshell combining wind resistance, high breathability and small packsize. The perfect climbers piece, it’s ideal for a trip to Squamish where the rock never ends but conditions can be changeable.

Inspired by the demands of big wall climbing, the lightweight Matrix™ single weave fabric with two way stretch and DWR offers complete freedom of movement and protection from the elements. UPF 50+ protects from the sun, while the deep venting YKK® front zip with chin guard and lycra bound cuffs offer adaptability and shelter from the wind as conditions vary. The Pull-On packs down small into the YKK® zipped chest pocket which doubles as integrated stuff sack. This can then be clipped to a harness, so its always there when you need it.

During long multi-pitch routes on the Chief or a day’s cragging at the Smoke Bluffs, the Borealis Jacket combines breathability and freedom of movement, with protection from sun, shade, and wind.

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Rab's Borealis Pull0On is a light-weight, highly breathable windshell, designed to provide protection for fast-and-light mountain use. It replaces the older Boreas and Ventus garments, with it's updated features and improved DWR.

The Borealis is quite a thin garment so great for layering. The hood is the low profile type with a lycra binding that fits nicely around the face and under a helmet. The cuffs are also lycra bound which makes them easy to push up if you start to get too warm.

The jacket features a zipped chest pocket which also doubles up as a stuff sack as it has a zip pull on both sides. Overall this lightweight jacket offers great fit, comfort and protection when you're on the move.

I have the older Ventus and Boreas pull-ons, this is a newer version with some features of both older pieces. It has elastic wrist cuffs, but no thumb loops, and a waist drawstring, plus the hood has been redesigned from the Boreas. As for fit, I found it to have the same size/fit as the other shirts mentioned. I read reviews stating that the Borealis was cut slimmer, but did not find this to be true. I love this shirt for active use climbing and backpacking. It breathes very well, never feels hot/clammy, yet still blocks wind. They have also been plenty durable as climbing shirts. I use them as a next to skin layer for a wide variety of temperatures and carry a wind-jacket to layer over for cold belays and top outs.